PT-2024-11356 · Linux+2 · Linux Kernel+2

Rohith Surabattula · Published 2021-09-17 · Updated 2026-03-14 · CVE-2021-47359

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A soft lockup issue has been resolved in the Linux kernel, specifically in the cifs component, which occurs during fsstress and causes the system to hang. The issue is characterized by a watchdog bug, where a CPU becomes stuck for an extended period, in this case, 26 seconds.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

BDU:2025-07514

CVE-2021-47359

OPENSUSE-SU-2024_2189-1

SUSE-SU-2024:2008-1

SUSE-SU-2024:2011-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2189-1

SUSE-SU-2024:2190-1

Affected Products

Debian

Linux Kernel

Suse

References · 1244

• https://bdu.fstec.ru/vul/2025-07514 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47359 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47359 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2190-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2008-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47359 · Vendor Advisory
• https://git.kernel.org/stable/c/71826b068884050d5fdd37fda857ba1539c513d3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47359 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47359 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2021-47359 · Vendor Advisory
• https://git.kernel.org/stable/c/9f6c7aff21f81ae8856da1f63847d1362d523409 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:2189-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47359 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2011-1 · Vendor Advisory